When should thermal expansion joints be used in gas piping systems?

Thermal expansion joints are crucial components in gas piping systems because they allow for the accommodation of thermal expansion and contraction that occurs as temperatures change. This is especially important since gas pipes can experience significant temperature fluctuations, leading to potential stresses on the piping material if not properly managed.

Using thermal expansion joints in all gas piping systems ensures that the pipes can flex and adapt to temperature changes without risking structural integrity, which could lead to leaks or failures. This comprehensive application minimizes the risk of damage, regardless of whether the system is installed outdoors, in conditions of high temperature, or during specific installation or repair scenarios.

While there may be certain considerations for installation and specific conditions, the use of thermal expansion joints as a standard practice in all gas piping systems provides a safety margin essential for maintaining the durability and reliability of the system over its operational lifespan.